8253140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{353}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 19982592

約数和(自身を除く): 11729452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 353, 668, 706, 835, 1169, 1412, 1670, 1765, 2338, 2471, 3340, 3530, 4676, 4942, 5845, 7060, 9884, 11690, 12355, 23380, 24710, 49420, 58951, 117902, 235804, 294755, 412657, 589510, 825314, 1179020, 1650628, 2063285, 4126570, 8253140]

約数ペア:

[(1, 8253140), (2, 4126570), (4, 2063285), (5, 1650628), (7, 1179020), (10, 825314), (14, 589510), (20, 412657), (28, 294755), (35, 235804), (70, 117902), (140, 58951), (167, 49420), (334, 24710), (353, 23380), (668, 12355), (706, 11690), (835, 9884), (1169, 7060), (1412, 5845), (1670, 4942), (1765, 4676), (2338, 3530), (2471, 3340)]